package com.xma.springcloud.config;

import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @Author: arthur
 * @License: (C) Copyright 2020-2028, xxx Corporation Limited.
 * @Contact: 413911174@qq.com
 * @Date: 2020/6/27 12:49
 * @Version: 1.0
 * @Description:
 */
@Configuration
public class HystrixMetricsStreamServletConfig {
    //此配置是为了服务监控而配置，与服务容错本身无关，springcloud升级后的坑
    //ServletRegistrationBean 因为springboot的默认路径不是"/hystrix.stream".
    //只要再自己的项目里配置上下面的servlet就可以了
    @Bean
    public ServletRegistrationBean getServlet(){
        HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
        ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);
        //registrationBean.setLoadOnStartup(1);
        registrationBean.addUrlMappings("/hystrix.stream");
        registrationBean.setName("HystrixMetricsStreamServlet");
        return registrationBean;
    }
}
